Split gear assembly for use in a worm gear drive

Details Split gear assembly for use in a worm gear drive Split gear assembly for use in a worm gear drive

1996-06-10

1999-08-10

Jeffery, John A.

Machine element or mechanism

Gearing

Rotary bodies

74411, 74445, F16H 5518

Patent

active

059341440

ABSTRACT:
An assembly suitable for preventing and/or effectively dampening the presence of backlash within a worm gear type drive is described. The assembly includes a drive gear adapted to be mounted on a shaft. The drive gear has an annular body with a plurality of teeth extending radially outwardly therefrom. The assembly also includes an offsetable secondary gear mounted to the drive gear. The secondary gear has a complementary annular body with a plurality of teeth extending radially outwardly therefrom. The teeth on the drive gear are equal in number and pitch to the teeth on the secondary gear. The teeth on the drive gear and the secondary gear, together form an array of expandable teeth having a variable thickness. Operatively connected to the drive gear and to the secondary gear is a biasing means for expanding the variable thickness of each expandable tooth.

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